Chang was born to a prominent family; her father
Chiao Jen-ho (), served as secretary-general of the
Straits Exchange Foundation. Chang began composing music at the age of 13 and gave her first stage performance at 16. By 19, she had written more than 100 songs and signed a contract with Sony BMG, though the release of her debut album was delayed for several years. During this period, she dropped out of high school, explaining that she "couldn't stand the conservative restrictions," and built a following through performances in pubs, live houses, and on online platforms. A guitarist, she writes most of her songs on acoustic guitar. In the early 2000s, Chang was the vocalist for the rock band Mango Runs, which was named Most Popular Act and won the Indie Music Award at the 2003 Hohaiyan Rock Festival in Taipei County. The band was also featured in the 2004 documentary
Ocean Fever (海洋熱), which chronicled several acts at the festival. Chang's debut album
My Life Will… was released on 9 June 2006 under Sony BMG, featuring material she had written between the ages of 13 and 19. Despite concerns from fans about her signing with a major label, she stated that her musical style would remain unchanged. The album received four nominations at the 18th Golden Melody Awards, including Best Mandarin Album, placing her alongside mainstream artists such as
Jolin Tsai. At the time, it was considered unusual for independent-leaning artists to receive nominations in the ceremony's major categories. The same year, she won Best New Mandarin Artist at the 7th Chinese Music Media Awards in Hong Kong. Her second album, ''Oh, dear. dear. I haven't.
(親愛的...我還不知道), was released on 20 July 2007. The song "畢竟" earned her a nomination for Best Lyricist at the 19th Golden Melody Awards. She later formed the band Algae with musicians Cent, Goodtone, and Sunho, releasing her third album City'' (城市) on 22 May 2009. In August 2012, she released her fourth album
Games We Play (神的遊戲) under Sony Music, which drew from her life experiences of the preceding three years and reflected her ongoing engagement with social issues. The album included "玫瑰色的你" ("Rose-Colored You"), for which she won Best Lyricist at the 24th Golden Melody Awards. ==Controversy==